add testcase

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlDeleteTest_3.java

@@ -0,0 +1,66 @@
+/*
+ * Copyright 1999-2011 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.bvt.sql.mysql;
+
+import java.util.List;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.sql.MysqlTest;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
+import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
+import com.alibaba.druid.stat.TableStat;
+import com.alibaba.druid.stat.TableStat.Column;
+
+public class MySqlDeleteTest_3 extends MysqlTest {
+
+    public void test_0() throws Exception {
+        String sql = "DELETE FROM t1 " //
+                     + "WHERE s11 > ANY"//
+                     + "(SELECT COUNT(*) /* no hint */ FROM t2"//
+                     + "  WHERE NOT EXISTS"//
+                     + "   (SELECT * FROM t3"//
+                     + "    WHERE ROW(5*t2.s1,77)="//
+                     + "     (SELECT 50,11*s1 FROM t4 UNION SELECT 50,77 FROM"//
+                     + "      (SELECT * FROM t5) AS t5)));";
+
+        MySqlStatementParser parser = new MySqlStatementParser(sql);
+        List<SQLStatement> statementList = parser.parseStatementList();
+        SQLStatement statemen = statementList.get(0);
+        print(statementList);
+
+        Assert.assertEquals(1, statementList.size());
+
+        MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
+        statemen.accept(visitor);
+
+        System.out.println("Tables : " + visitor.getTables());
+        System.out.println("fields : " + visitor.getColumns());
+        System.out.println("coditions : " + visitor.getConditions());
+        System.out.println("orderBy : " + visitor.getOrderByColumns());
+
+        Assert.assertEquals(5, visitor.getTables().size());
+        Assert.assertEquals(6, visitor.getColumns().size());
+        Assert.assertEquals(1, visitor.getConditions().size());
+
+        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("t1")));
+        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("t2")));
+
+        Assert.assertTrue(visitor.getColumns().contains(new Column("t1", "s11")));
+        Assert.assertTrue(visitor.getColumns().contains(new Column("t2", "*")));
+    }
+}

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlSelectTest_14.java

@@ -0,0 +1,72 @@
+/*
+ * Copyright 1999-2011 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.bvt.sql.mysql;
+
+import java.util.List;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.sql.MysqlTest;
+import com.alibaba.druid.sql.SQLUtils;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.ast.statement.SQLSelect;
+import com.alibaba.druid.sql.ast.statement.SQLSelectStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock;
+import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
+import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
+import com.alibaba.druid.stat.TableStat;
+
+public class MySqlSelectTest_14 extends MysqlTest {
+
+    public void test_0() throws Exception {
+        String sql = "SELECT * FROM t1 WHERE column1 = (SELECT column1 FROM t2);";
+
+        MySqlStatementParser parser = new MySqlStatementParser(sql);
+        List<SQLStatement> statementList = parser.parseStatementList();
+        SQLStatement stmt = statementList.get(0);
+
+        SQLSelectStatement selectStmt = (SQLSelectStatement) stmt;
+
+        SQLSelect select = selectStmt.getSelect();
+        Assert.assertNotNull(select.getQuery());
+        MySqlSelectQueryBlock queryBlock = (MySqlSelectQueryBlock) select.getQuery();
+        Assert.assertNull(queryBlock.getOrderBy());
+
+        print(statementList);
+
+        Assert.assertEquals(1, statementList.size());
+
+        MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
+        stmt.accept(visitor);
+
+        Assert.assertEquals(2, visitor.getTables().size());
+        Assert.assertEquals(3, visitor.getColumns().size());
+        Assert.assertEquals(1, visitor.getConditions().size());
+        Assert.assertEquals(0, visitor.getOrderByColumns().size());
+
+        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("t1")));
+        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("t2")));
+
+        String output = SQLUtils.toMySqlString(stmt);
+        Assert.assertEquals("SELECT *" //
+                            + "\nFROM t1"//
+                            + "\nWHERE column1 = ("//
+                            + "\n\tSELECT column1"//
+                            + "\n\tFROM t2"//
+                            + "\n\t)", //
+                            output);
+    }
+}